/*******************************************************************************
* Copyright (c) 2011 Red Hat, Inc.
* All rights reserved.
* This program is made available under the terms of the
* Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.eclipse.bpmn2.modeler.ui.features.gateway;
import org.eclipse.bpmn2.EventBasedGateway;
import org.eclipse.bpmn2.EventBasedGatewayType;
import org.eclipse.bpmn2.Gateway;
import org.eclipse.bpmn2.modeler.core.ModelHandler;
import org.eclipse.bpmn2.modeler.core.features.MultiUpdateFeature;
import org.eclipse.bpmn2.modeler.core.features.gateway.AbstractCreateGatewayFeature;
import org.eclipse.bpmn2.modeler.core.features.gateway.DefaultAddGatewayFeature;
import org.eclipse.bpmn2.modeler.core.utils.GraphicsUtil;
import org.eclipse.bpmn2.modeler.core.utils.StyleUtil;
import org.eclipse.bpmn2.modeler.ui.ImageProvider;
import org.eclipse.graphiti.features.IAddFeature;
import org.eclipse.graphiti.features.ICreateFeature;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.IUpdateFeature;
import org.eclipse.graphiti.features.context.IAddContext;
import org.eclipse.graphiti.features.context.ICreateContext;
import org.eclipse.graphiti.mm.algorithms.Ellipse;
import org.eclipse.graphiti.mm.algorithms.Polygon;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.services.Graphiti;
import org.eclipse.graphiti.services.IPeService;
public class EventBasedGatewayFeatureContainer extends AbstractGatewayFeatureContainer {
static final String INSTANTIATE_PROPERTY = "instantiate";
static final String EVENT_GATEWAY_TYPE_PROPERTY = "eventGatewayType";
@Override
public boolean canApplyTo(Object o) {
return super.canApplyTo(o) && o instanceof EventBasedGateway;
}
@Override
public ICreateFeature getCreateFeature(IFeatureProvider fp) {
return new CreateEventBasedGatewayFeature(fp);
}
@Override
public IAddFeature getAddFeature(IFeatureProvider fp) {
return new DefaultAddGatewayFeature(fp) {
@Override
protected void decorateGateway(ContainerShape container) {
Ellipse outer = GraphicsUtil.createGatewayOuterCircle(container);
outer.setForeground(manageColor(StyleUtil.CLASS_FOREGROUND));
Ellipse inner = GraphicsUtil.createGatewayInnerCircle(container);
inner.setForeground(manageColor(StyleUtil.CLASS_FOREGROUND));
Polygon pentagon = GraphicsUtil.createGatewayPentagon(container);
pentagon.setForeground(manageColor(StyleUtil.CLASS_FOREGROUND));
pentagon.setFilled(false);
}
@Override
public PictogramElement add(IAddContext context) {
PictogramElement element = super.add(context);
IPeService service = Graphiti.getPeService();
service.setPropertyValue(element, INSTANTIATE_PROPERTY, "false");
service.setPropertyValue(element, EVENT_GATEWAY_TYPE_PROPERTY,
EventBasedGatewayType.EXCLUSIVE.getName());
return element;
}
};
}
@Override
public IUpdateFeature getUpdateFeature(IFeatureProvider fp) {
MultiUpdateFeature multiUpdate = new MultiUpdateFeature(fp);
multiUpdate.addUpdateFeature(super.getUpdateFeature(fp));
multiUpdate.addUpdateFeature(new UpdateEventBasedGatewayFeature(fp));
return multiUpdate;
}
public static class CreateEventBasedGatewayFeature extends AbstractCreateGatewayFeature {
public CreateEventBasedGatewayFeature(IFeatureProvider fp) {
super(fp, "Event-Based Gateway", "Represents a branching point in the process");
}
@Override
protected Gateway createFlowElement(ICreateContext context) {
EventBasedGateway gateway = ModelHandler.FACTORY.createEventBasedGateway();
gateway.setInstantiate(false);
gateway.setEventGatewayType(EventBasedGatewayType.EXCLUSIVE);
return gateway;
}
@Override
protected String getStencilImageId() {
return ImageProvider.IMG_16_EVENT_BASED_GATEWAY;
}
}
}